CN104902815B - 磁共振成像的改进 - Google Patents

磁共振成像的改进 Download PDF

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Publication number
CN104902815B
CN104902815B CN201380062887.0A CN201380062887A CN104902815B CN 104902815 B CN104902815 B CN 104902815B CN 201380062887 A CN201380062887 A CN 201380062887A CN 104902815 B CN104902815 B CN 104902815B
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CN
China
Prior art keywords
phase
chemical species
measurement time
fat
signal
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Expired - Fee Related
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CN201380062887.0A
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English (en)
Chinese (zh)
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CN104902815A (zh
Inventor
P·克拉克
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MAGNEPATH Pty Ltd
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MAGNEPATH Pty Ltd
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Priority claimed from AU2012905226A external-priority patent/AU2012905226A0/en
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Publication of CN104902815A publication Critical patent/CN104902815A/zh
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201380062887.0A 2012-11-30 2013-11-27 磁共振成像的改进 Expired - Fee Related CN104902815B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2012905226 2012-11-30
AU2012905226A AU2012905226A0 (en) 2012-11-30 Improvements to magnetic resonance imaging
PCT/AU2013/001379 WO2014082128A1 (en) 2012-11-30 2013-11-27 Improvements to magnetic resonance imaging

Publications (2)

Publication Number Publication Date
CN104902815A CN104902815A (zh) 2015-09-09
CN104902815B true CN104902815B (zh) 2018-03-13

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ID=50826960

Family Applications (1)

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CN201380062887.0A Expired - Fee Related CN104902815B (zh) 2012-11-30 2013-11-27 磁共振成像的改进

Country Status (7)

Country Link
US (1) US10274565B2 (enExample)
EP (1) EP2925224A4 (enExample)
JP (1) JP6404225B2 (enExample)
KR (1) KR20150091095A (enExample)
CN (1) CN104902815B (enExample)
AU (1) AU2013351916A1 (enExample)
WO (1) WO2014082128A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150091095A (ko) * 2012-11-30 2015-08-07 마그네패스 피티와이 엘티디 자기 공명 영상에 대한 개선점들
EP3835803B1 (en) 2019-12-13 2024-03-27 Siemens Healthineers AG System and method for estimating a relative substance composition of a portion of a body of a patient
CN111239657B (zh) * 2020-01-20 2022-05-06 上海东软医疗科技有限公司 谱图的相位校正方法、装置及设备
US11275139B1 (en) * 2021-03-17 2022-03-15 Siemens Healthcare Gmbh System and method for automated identification of spectral characteristics
JP7680978B2 (ja) * 2022-03-14 2025-05-21 富士フイルム株式会社 磁気共鳴イメージング装置、画像処理装置、及び、信号分離方法

Citations (6)

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CN1363043A (zh) * 2000-01-27 2002-08-07 Ge医疗系统环球技术有限公司 水和脂肪的分离图像的形成方法,磁共振成像设备,参考峰的相位测定方法和参考峰的位置测定方法
CN1650801A (zh) * 2004-02-03 2005-08-10 Ge医疗系统环球技术有限公司 磁共振成像方法和磁共振成像系统
CN101051030A (zh) * 2006-04-04 2007-10-10 株式会社东芝 磁共振成像装置以及磁共振成像装置的摄像条件设定方法
US20070247153A1 (en) * 2006-04-25 2007-10-25 Huanzhou Yu Simultaneous chemical species separation and t2* measurement using mri
CN102232830A (zh) * 2010-04-30 2011-11-09 西门子(深圳)磁共振有限公司 一种磁共振成像水脂分离方法
US20120301007A1 (en) * 2010-03-03 2012-11-29 Hitachi Medical Corporation Magnetic resonance imaging device

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JP3976515B2 (ja) * 2001-04-11 2007-09-19 株式会社日立メディコ 磁気共鳴イメージング装置及び画像処理方法
JP2006149583A (ja) * 2004-11-26 2006-06-15 Kanazawa Univ データ処理装置、データ処理方法、そのデータ処理装置又はデータ処理方法に用いられるエコー画像データを得るための磁気共鳴撮像装置、及び、磁気共鳴撮像方法。
US7689265B2 (en) * 2005-10-19 2010-03-30 Siemens Medical Solutions Usa, Inc. System and method for the joint evaluation of multi phase MR marrow images
TW200922528A (en) * 2007-11-20 2009-06-01 Univ Nat Taiwan Science Tech Method and apparatus for modifying ultrasonic tissue harmonic amplitude
US20110140696A1 (en) * 2009-12-15 2011-06-16 Huanzhou Yu System and method for quantitative species signal separation using mr imaging
KR101133977B1 (ko) * 2010-01-15 2012-04-05 광운대학교 산학협력단 물 및 지방 분리 자기 공명 영상 방법 및 장치
US8373415B2 (en) 2010-04-15 2013-02-12 Wisconsin Alumni Research Foundation Method for separating magnetic resonance imaging signals using spectral distinction of species
EP2618731B1 (en) * 2010-09-20 2017-12-20 Koninklijke Philips N.V. Magnetic resonance imaging of chemical species
KR20150091095A (ko) * 2012-11-30 2015-08-07 마그네패스 피티와이 엘티디 자기 공명 영상에 대한 개선점들
WO2014176154A1 (en) * 2013-04-22 2014-10-30 General Electric Company System and method for image intensity bias estimation and tissue segmentation
WO2015028481A1 (en) * 2013-08-30 2015-03-05 Koninklijke Philips N.V. Dixon magnetic resonance imaging

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1363043A (zh) * 2000-01-27 2002-08-07 Ge医疗系统环球技术有限公司 水和脂肪的分离图像的形成方法,磁共振成像设备,参考峰的相位测定方法和参考峰的位置测定方法
CN1650801A (zh) * 2004-02-03 2005-08-10 Ge医疗系统环球技术有限公司 磁共振成像方法和磁共振成像系统
CN101051030A (zh) * 2006-04-04 2007-10-10 株式会社东芝 磁共振成像装置以及磁共振成像装置的摄像条件设定方法
US20070247153A1 (en) * 2006-04-25 2007-10-25 Huanzhou Yu Simultaneous chemical species separation and t2* measurement using mri
US20120301007A1 (en) * 2010-03-03 2012-11-29 Hitachi Medical Corporation Magnetic resonance imaging device
CN102232830A (zh) * 2010-04-30 2011-11-09 西门子(深圳)磁共振有限公司 一种磁共振成像水脂分离方法

Also Published As

Publication number Publication date
US20150285883A1 (en) 2015-10-08
KR20150091095A (ko) 2015-08-07
AU2013351916A1 (en) 2015-07-02
US10274565B2 (en) 2019-04-30
CN104902815A (zh) 2015-09-09
EP2925224A4 (en) 2017-07-19
JP6404225B2 (ja) 2018-10-10
JP2016501590A (ja) 2016-01-21
WO2014082128A1 (en) 2014-06-05
EP2925224A1 (en) 2015-10-07

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